Sandboxing starting on March 1st

Apple just announced that starting with March 1st, all apps submitted to the Mac App Store must implement sandboxing. Previously rumors told that the date for this would be November 1st, a few days ago. So this gives developers a bit of time, and maybe also Apple the possibility to refine their broken sandboxing a bit until then. Sandboxing is intended to be Apple's way to protect users from evil applications, limiting them to write and read random files from and to the disk, and to do other potential harmful stuff. Now, apps will only be able to access files outside of the sandbox after asking the user for permission. Unfortunately, this also makes a lot of types of applications pretty senseless. For example if your app is needing to write out a few hundreds of files, it is not feasible to ask the user to confirm all hundred file names manually. Curious how this will go on.